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Douglas L. Marshall

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Douglas L. Marshall, PhD, CFS

Douglas L. Marshall, PhD, CFS

Chief Scientific Officer

Dr. Marshall is Chief Scientific Officer with Eurofins Microbiology Laboratories, Inc., a division of the global life sciences company Eurofins Scientific.  He also is co-founder and Director of the Food Safety Institute, LLC, an integrated consulting and analytical services company affiliated with the Eurofins network of companies.  His former positions include the following:

  • Associate Dean and Professor of Public Health, College of Natural and Health Sciences, University of Northern Colorado
  • Adjunct Professor with the Colorado School of Public Health
  • Professor of Food Science, Nutrition, and Health Promotion at Mississippi State University
  • Assistant Professor of Food Science at Louisiana State University
  • Contributing Editor for the peer-reviewed scientific journal Food Microbiology
  • Four consecutive terms on the editorial board of the Journal of Food Protection

He is a frequent volunteer and consultant to trade associations, NIH, WHO, FAO, USDA, and other government agencies and private companies.  His research and expertise has been featured in popular press venues such as Consumer’s Reports, Fine Cooking, USA Today, Fitness, Health, Men’s Health, Chemtech, Nature Science Updates, and ASM Journal Highlights.  He is a frequently invited speaker and a prolific book chapter writer. With over 250 publications and over 180 invited presentations, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods.  Among these was the completion of the 4 volume Handbook of Food Science, Technology, and Engineering, which he Co-Edited.  He has been the recipient of a number of awards for his scholarly efforts including the Mississippi Chemical Corporation Award of Excellence for Outstanding Work, the International Association for Food Protection Educator and Harold Barnum Industry Awards.  He is a Fellow and former member of the Board of Directors of the Institute of Food Technologists, former Chair of the International Food Science Certification Commission, and former member of the Board of Directors of the American Spice Trade Association.  On a personal note, early in his career he served as a deck hand on an Alaskan fishing vessel (well before Deadliest Catch) and prefers to spend his free time lost on a trail in the Colorado Rocky Mountains.

Below are resources from Douglas:



When developing a new food ingredient or product does it mean to be FDA-compliant? Food grade vs. food-safe, what's the difference? And how is a product generally recognized as safe? Learn more about these FDA terms and if they apply to you.


Learn about the basic concepts of food engineering and how it contributes to the field of food science.


How does food processing improve the safety, shelf life, palatability, and nutrition of food? Learn more about what food processing is and how it has evolved over time.


Food and supplement industry trends show consumers’ want more transparency. Learn more about what consumers are interested in and how working with a transparent third party lab can help you build a more trustworthy brand.


The multidisciplinary field of food science allows us to have safer, more storage-resistant, nutritious, and better-tasting food products. Gain insights into the different science disciplines that propel the field of Food Science including food chemistry, microbiology, processing, engineering, genomics, and sensory science.


Fermented foods have gained popularity in recent years. Learn about the fermentation process, how they contribute to food sustainability and safety, and how partnering with a reputable ISO 17025 laboratory like Eurofins is essential for the success of your product.


What tools do you have in place to prevent cross-contact of allergens in your facility? Check out our helpful and comprehensive guide to understanding and implementing a successful food allergen environmental monitoring plan.


The COVID-19 pandemic created a favorable environment for increased economically motivated adulteration of ingredients and finished products. Adulterated ingredients entering your product can result in serious risk for your company. How can you reduce your company's risk?


Ethylene oxide is a highly reactive gas used in some countries to inhibit microbial contamination in certain food products.


Eurofins SFA is excited to now offer a new FD&C Dye Screen. The FDA approved nine artificial dye molecules for use in foods, drugs, and cosmetics (with some limitations), in addition to a variety of naturally sourced colorants.


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